Hp XP P9500 Storage User Manual Page 163
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DescriptionItem
Sets unit of time for Path Watch Time—minute, hour, or day.Unit of Path Watch
Time
The interval from when a path gets blocked to when a mirror gets split (suspended).Path Watch Time (1 to
59 min, 1 to 23 hour,
1 to 30 day)
This value must be within the range of 1 to 59 minutes, 1 to 23 hours, or 1 to 30 days. You
can specify a numeric value in Path Watch Time.
Make sure that the same interval is set to both the master and restore journals in the same
mirror, unless otherwise required. If the interval differs between the master and restore journals,
these journals do not suspend simultaneously. For example, if the interval for the master journal
is 5 minutes and the interval for the restore journal is 60 minutes, the master journal suspends
in 5 minutes after a path gets blocked, and the restore journal suspends in 60 minutes after
a path gets blocked.
IMPORTANT: If you want a mirror to get split (suspended) immediately after a path gets
blocked, ask HP Technical Support to set system option 448 to ON and set system option
449 to OFF.
Forwards the Path Watch Time value for the master journal to the restore journal, which results
in the same Path Watch Time value for both.
Forward Path Watch
Time
The pace for initial copy—Slow, Medium, or Fast.Copy Pace
The line speed of data transfer.Transfer Speed (Mbps)
Sets the processing that takes place when the delta resync operation cannot be
performed—entire P-VOL is copied or no processing (S-VOL not updated).
Delta resync Failure
Applies the settings in the dialog box to the Journal Operation window.Set
Cancels the settings and closes the dialog box.Cancel
Edit Journal Volumes dialog box
Use this dialog box to register or delete journal volumes from a journal.
For complete information, see:
• “Registering journal volumes in a journal ” (page 50)
• “Deleting journal volumes from a journal ” (page 85)
Edit Journal Volumes dialog box 163
- User Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- P9500 storage systems 10
- Pair volumes 11
- Journal volumes 11
- Journals 11
- Reference Information 12
- Differential data management 13
- S-VOL write option 14
- Pair status 14
- System requirements 15
- Plan and design workflow 18
- Write-workload 19
- Sizing journal volumes 20
- Planning journals 20
- RAID group configuration 21
- Planning journal volumes 22
- Planning pair volumes 22
- Planning pair volumes 23 23
- Host failover software 25
- Planning for previous models 29
- System option modes 31
- 4 Planning the data path 34
- Calculating bandwidth 35
- 36 Planning the data path 36
- Sizing bandwidth 37 37
- 38 Planning the data path 38
- Packet loss 39
- Example configuration 40
- Port types 40
- Additional switches 41
- 42 Planning the data path 42
- 5 Configuration operations 44
- 46 Configuration operations 46
- 48 Configuration operations 48
- 50 Configuration operations 50
- 52 Configuration operations 52
- 6 Pair operations 54
- Creating the initial copy 55 55
- 56 Pair operations 56
- Creating the initial copy 57 57
- Splitting pairs 58
- Splitting mirrors 59
- Creating point-in-time copies 60
- Resynchronizing pairs 60
- Resynchronizing pairs 61 61
- Resynchronizing mirrors 62
- Deleting pairs 62
- Deleting pairs 63 63
- Deleting pairs in a mirror 64
- Deleting pairs in a mirror 65 65
- 7 Monitoring the system 66
- PSUS types and behaviors 69
- PSUE types and behaviors 71
- Selecting data to be graphed 74
- Manipulating graph, save data 76
- History of pair operations 79
- 8 Maintaining the system 80
- ◦ Initial 81
- ◦ Stopped 81
- ◦ Hold(Failure) 81
- 82 Maintaining the system 82
- 84 Maintaining the system 84
- Logical path maintenance 86
- Deleting logical paths 87
- When power stops unexpectedly 88
- 90 Maintaining the system 90
- General recovery procedures 91
- Cnt Ac-J secondary site: HOLD 100
- 10 Troubleshooting 103
- Troubleshooting logical paths 105
- B9E2, B9E4, D004 109
- B9E4, D004 112
- Miscellaneous troubleshooting 121
- 122 Troubleshooting 122
- Contacting HP 123
- Related information 123
- Typographic conventions 124
- Overview 126
- Failure recovery 127
- B Sharing volumes 133
- Cache Residency 135
- Data Retention 135
- Thin Provisioning 136
- LUN Expansion 137
- LUN Manager 137
- Fast Snap and Snapshot 137
- 138 Sharing volumes 138
- Virtual LUN 139
- Auto LUN 140
- 3DC cascade configuration 141
- Delta resync configuration 144
- ◦ Use the same mirror ID 146
- Problems that can occur 148
- ◦ Assign it to other mirrors 149
- ◦ Use it with RAID Manager 149
- 2 Data center configuration 151
- Pair status and data currency 156
- E GUI reference 157
- Journal Detail window 159
- Pair Operation window 165
- Paircreate dialog box 169
- Pairsplit-r dialog box 171
- Pairresync dialog box 172
- Pairsplit-S dialog box 173
- Change Pair Option dialog box 174
- Display Filter dialog box 174
- DKC Operation window 175
- Remote systems information 176
- Logical Path Information 177
- DKC Status dialog box 179
- Add DKC dialog box 180
- DKC Option dialog box 181
- Usage Monitor window 182
- History window 183
- Operations in History window 184
- History window notes 185
- Optional Operation window 186
- Glossary 188
- 190 Index 190
- 192 Index 192
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